:root{--bg:#0b1118;--card:#121b26;--card-2:#101923;--line:#2a3745;--text:#eef3f7;--muted:#a0afbf;--brand:#7ce4bf;--brand-2:#7ce4bf;--ok:#87e89c}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;background:radial-gradient(ellipse at 80% 0,#152831 0,transparent 45%),var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif}.simple-shell{max-width:1280px;margin:0 auto;padding:18px;display:grid;grid-gap:16px;gap:16px}.card{border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:0 6px 20px #0000000d;padding:14px}.topbar{display:grid;grid-template-columns:1fr auto;grid-gap:12px}.brand,.topbar{align-items:center;gap:12px}.brand{display:flex}.brand-logo{width:48px;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);padding:6px}.topbar h1{margin:0;font-size:24px;line-height:1.2}.title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.version-badge{border:1px solid rgba(255,212,71,.45);border-radius:999px;color:var(--brand-2);background:rgba(255,212,71,.08);font-size:12px;font-weight:800;letter-spacing:.04em;padding:4px 8px}.topbar p{margin:4px 0 0;color:var(--muted);max-width:760px;font-size:14px}.support-box{display:flex;flex-direction:row;align-items:center;gap:8px;min-width:auto;flex-wrap:wrap;justify-content:flex-end}.qr-image{width:78px;height:78px;border-radius:10px;background:#fff;padding:5px}.card h2{margin:0 0 12px;font-size:28px}.card h3{margin:6px 0 10px;font-size:16px}.grid.two{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.row{display:flex;align-items:center;flex-wrap:wrap}.gap{gap:10px}.btn{border:1px solid rgba(157,187,235,.45);background:rgba(7,19,36,.7);color:var(--text);min-height:38px;padding:0 12px;border-radius:12px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.topbar .btn{min-height:34px;padding:0 10px;border-radius:10px;font-size:13px}.btn:hover{border-color:var(--brand-2)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.primary{border:0;color:#07101e;background:var(--brand);font-weight:600}.status-pill{border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:rgba(9,24,42,.8);font-size:13px;color:var(--muted)}.status-pill.warn{border-color:rgba(255,166,96,.56);color:#ffd7a9}.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap}.wait-mini{margin-top:10px;border:1px solid var(--line);border-radius:12px;padding:8px 10px;background:rgba(7,18,34,.62)}.wait-mini-head{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-bottom:6px}.wait-mini-head strong{color:#ffe58d}.wait-mini-bar{height:6px;border-radius:999px;border:1px solid rgba(157,187,235,.35);background:rgba(5,14,28,.75);overflow:hidden}.wait-mini-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .2s ease}.kv-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.kv-grid>div{border:1px solid var(--line);border-radius:12px;padding:10px;background:rgba(7,18,34,.62)}.kv-grid span{display:block;color:var(--muted);font-size:12px}.kv-grid strong{display:block;margin-top:4px;word-break:break-word}.qr-label-grid{display:grid;grid-template-columns:repeat(2,minmax(280px,1fr));grid-gap:12px;gap:12px;margin-top:12px}.service-qr-panel{margin-top:16px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(135deg,rgba(255,212,71,.08),transparent 36%),rgba(4,15,30,.62);padding:16px;overflow:hidden}.service-qr-panel .section-head h3{margin:0 0 6px;font-size:21px}.qr-label-grid.compact{grid-template-columns:1fr;gap:14px;margin-top:16px}.qr-actions,.qr-tool-actions{display:flex;flex-wrap:wrap;gap:10px}.qr-actions{justify-content:flex-end}.qr-toolbelt{display:grid;grid-gap:10px;gap:10px;margin-top:14px;padding:12px;border:1px solid rgba(117,158,220,.18);border-radius:16px;background:rgba(5,15,29,.58)}.qr-status{min-height:38px;display:flex;align-items:center;width:-moz-fit-content;width:fit-content;max-width:100%;border:1px solid rgba(117,158,220,.24);border-radius:999px;padding:8px 13px;color:#acd0ff;background:rgba(46,126,240,.09);font-size:13px}.qr-status.warn{border-color:rgba(255,166,96,.56);color:#ffd7a9;background:rgba(255,166,96,.08)}.qr-label-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:18px;gap:18px;min-height:230px;border:1px solid rgba(117,158,220,.3);border-radius:18px;background:radial-gradient(circle at 10% 0,rgba(46,126,240,.16),transparent 38%),linear-gradient(180deg,rgba(8,21,39,.9),rgba(4,14,27,.92));padding:18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}.label-copy span{display:inline-flex;min-height:24px;align-items:center;padding:0 8px;border-radius:999px;border:1px solid rgba(255,212,71,.42);color:#ffe58d;font-size:12px;text-transform:uppercase}.label-copy h3{margin:10px 0;font-size:26px;line-height:1.05}.label-copy dd,.label-copy p{margin:4px 0;color:var(--muted);overflow-wrap:anywhere}.label-note{max-width:34ch;line-height:1.45}.label-copy dl{display:grid;grid-gap:8px;gap:8px;margin:18px 0 0}.label-copy dl>div{display:grid;grid-gap:4px;gap:4px}.label-copy dt{color:rgba(255,212,71,.8);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.label-copy dd{font-size:15px}.qr-visual{display:grid;justify-items:center;grid-gap:12px;gap:12px}.label-qr,.qr-placeholder{width:178px;height:178px;border-radius:16px;background:#fff;padding:10px;box-shadow:0 18px 34px rgba(0,0,0,.28)}.qr-placeholder{display:grid;place-items:center;color:#06101f;font-weight:700}label{display:grid;grid-gap:6px;gap:6px;margin-bottom:10px;font-size:14px;color:var(--muted)}.config-area,.select,input{border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:14px;color:var(--text);background:rgba(7,18,34,.8)}.select{min-width:300px;height:42px}.config-area{width:100%;min-height:260px;font-family:Consolas,Courier New,monospace;line-height:1.45}.json-editor{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:rgba(7,18,34,.8)}.json-editor .cm-editor{min-height:320px;font-family:Consolas,Courier New,monospace;font-size:13px}.json-editor .cm-scroller{min-height:320px}.toggle-wrap{display:inline-flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}.toggle{border:0;padding:10px 14px;background:rgba(9,24,44,.95);color:var(--text);cursor:pointer}.toggle.active{background:rgba(255,212,71,.16);color:#ffe58d;font-weight:600}.board-pill{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1px solid var(--line);border-radius:12px}.board-pill,.board-select{background:rgba(255,212,71,.12);color:#ffe58d;font-weight:700}.board-select{min-width:230px;border-color:rgba(255,212,71,.45)}.tabs{display:inline-flex;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-bottom:12px}.tab-btn{border:0;padding:10px 14px;background:rgba(9,24,44,.95);color:var(--text);cursor:pointer}.tab-btn.active{background:rgba(255,212,71,.16);color:#ffe58d;font-weight:600}.tab-panel{margin-top:2px}.hint{color:var(--muted);margin:10px 0}.asset-block ul{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:12px}.asset-block li{display:grid;grid-template-columns:1fr auto auto;grid-gap:10px;gap:10px;align-items:center;padding:10px;border-bottom:1px solid var(--line)}.asset-block li:last-child{border-bottom:0}.asset-block a{color:#ffe266;text-decoration:none}.flash-status{margin-top:12px;border:1px solid rgba(135,232,156,.35);background:rgba(20,66,36,.35);color:var(--ok);border-radius:12px;padding:10px 12px}.validation-box{margin-top:10px;border:1px solid rgba(255,166,96,.45);border-radius:12px;background:rgba(70,40,16,.35);color:#ffd7a9;padding:10px 12px}.validation-box strong{display:block;margin-bottom:6px}.validation-box ul{margin:0;padding-left:18px}.validation-box li+li{margin-top:4px}.modal-overlay{position:fixed;inset:0;z-index:1200;background:rgba(2,7,16,.76);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px}.modal-card{width:min(1100px,100%);max-height:calc(100vh - 32px);overflow:auto}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.modal-head h2{margin:0}.modal-close{min-width:44px;padding:0}.pipeline-grid{margin-top:12px;display:grid;grid-template-columns:repeat(3,minmax(180px,1fr));grid-gap:8px;gap:8px}.pipeline-step{border:1px solid var(--line);border-radius:12px;padding:8px 10px;font-size:13px;background:rgba(7,18,34,.6);color:var(--muted)}.pipeline-step.pending{border-color:rgba(117,158,220,.26);color:#b5c8e4}.pipeline-step.active{border-color:rgba(255,212,71,.7);color:#ffe58d;background:rgba(80,62,18,.32)}.pipeline-step.done{border-color:rgba(135,232,156,.56);color:#adf6bc;background:rgba(20,66,36,.35)}.pipeline-step.error{border-color:rgba(255,113,113,.6);color:#ffc0c0;background:rgba(87,24,24,.35)}.pipeline-step.skipped{border-style:dashed;opacity:.72}.hidden-install{display:none}.log-box{border:1px solid var(--line);border-radius:12px;min-height:140px;max-height:280px;overflow:auto;background:rgba(7,18,34,.72);padding:10px;font-family:Consolas,Courier New,monospace;font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;line-height:1.45}.log-empty{color:var(--muted)}@media (max-width:1020px){.asset-block li,.grid.two,.kv-grid,.pipeline-grid,.qr-label-card,.qr-label-grid{grid-template-columns:1fr}.qr-actions{justify-content:flex-start}.qr-label-card{min-height:0}.qr-visual{justify-items:start}.topbar{grid-template-columns:1fr;align-items:flex-start}.support-box{justify-content:flex-start;align-items:center}}@media print{body,html{background:#fff!important;color:#111!important}body *{visibility:hidden!important}.qr-print-panel,.qr-print-panel *{visibility:visible!important}.qr-print-panel{position:absolute;inset:0 auto auto 0;width:100%;border:0!important;box-shadow:none!important;background:#fff!important;color:#111!important}.no-print{display:none!important}.qr-label-grid{grid-template-columns:1fr 1fr;gap:10mm}.qr-label-card{page-break-inside:avoid;break-inside:avoid;display:grid;grid-template-columns:1fr auto;border:1px solid #222;border-radius:6px;background:#fff!important;color:#111!important;min-height:52mm}.qr-visual .btn{display:none!important}.label-copy dd,.label-copy dt,.label-copy p,.label-copy span{color:#111!important}.label-qr,.qr-placeholder{box-shadow:none!important}}:root{color-scheme:dark}body{line-height:1.5}a{color:#b9d6e7;text-underline-offset:4px}a:hover{color:var(--text)}:focus-visible{outline:3px solid var(--brand);outline-offset:4px}button,input,select{font:inherit}.btn{min-height:44px;border-radius:9px;padding:10px 18px;font-size:14px;font-weight:600;transition:background-color .15s,border-color .15s}.btn.primary:hover:not(:disabled){background:#a2f1d5}.btn:disabled{opacity:1;color:#9cabb9;background:#24313e;border-color:#344352}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:16px;z-index:100;padding:12px;background:var(--bg)}.skip-link:focus{top:12px}.simple-shell{width:100%;max-width:none;grid-template-columns:minmax(0,1fr);gap:24px;padding:0 32px}.topbar{grid-template-columns:minmax(0,1fr) auto;padding:23px 0;border-bottom:1px solid var(--line)}.brand>div{min-width:0}.brand-logo{width:42px;height:42px;padding:7px;background:#17232e;border-color:#344452;border-radius:11px}.brand-name{font-size:22px;font-weight:750;letter-spacing:-.6px}.version-badge{color:var(--muted);border:1px solid var(--line);background:transparent;font-size:10px;font-weight:500;letter-spacing:0;padding:2px 7px}.topbar p{font-size:12px;margin-top:1px}.help-link{font-size:13px;text-decoration:none;padding:10px 14px;border:1px solid var(--line);border-radius:9px}.installer-intro{display:grid;grid-template-columns:1fr 320px;grid-gap:48px;gap:48px;align-items:center;padding:26px 0 16px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--brand);font-size:10px;font-weight:700;letter-spacing:.14em;margin:0}.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px #7ce4bf12}.installer-intro h1{font-size:clamp(34px,4.3vw,50px);line-height:1.14;letter-spacing:-.045em;margin:17px 0 14px;font-weight:650;text-wrap:balance}.installer-intro h1 span{color:var(--brand)}.intro-copy{max-width:520px;color:var(--muted);font-size:15px;margin:0;line-height:1.7}.intro-note{display:flex;gap:14px;align-items:flex-start;padding:22px;border:1px solid #30463f;border-radius:14px;background:#172a2580;font-size:13px}.preserve-icon{display:grid;place-items:center;flex-shrink:0;width:28px;height:30px;border-radius:8px 8px 13px 13px;background:#7ce4bf17;color:var(--brand);border:1px solid #456c5d}.intro-note strong{font-size:14px;font-weight:600}.intro-note p{color:var(--muted);line-height:1.65;margin:8px 0 12px}.intro-note div>span{font-size:11px;color:#b5d4c7}.intro-note i{font-style:normal;padding:0 5px;color:#65877a}.journey{display:grid;grid-template-columns:repeat(3,1fr);padding:0;margin:0 0 6px;list-style:none;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#111a24}.journey li+li{border-left:1px solid var(--line)}.journey a{display:flex;align-items:center;gap:12px;padding:16px 22px;height:100%;color:var(--muted);text-decoration:none;font-size:13px}.journey a:hover{background:#ffffff05}.journey a:focus-visible{outline-offset:-4px}.journey small{display:block;font-size:11px;color:var(--muted);margin-top:2px}.journey b{display:grid;place-items:center;flex-shrink:0;border:1px solid #415160;border-radius:50%;width:30px;height:30px;font-size:12px;font-weight:500}.journey .current{background:#7ce4bf08}.journey .current a,.journey .done a{color:var(--text)}.journey .current b{background:var(--brand);border-color:var(--brand);color:#0c251c}.journey .done b{color:var(--brand);border-color:#497761;background:#7ce4bf0c}.installer-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;grid-gap:24px;gap:24px;align-items:flex-start}.installer-steps{display:grid;grid-gap:18px;gap:18px;min-width:0}.step-card{padding:26px;border-radius:14px}.step-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:22px}.step-heading h2{margin:1px 0 0;font-size:19px;font-weight:600;letter-spacing:-.4px;scroll-margin-top:24px}.step-heading p{margin:6px 0 0;font-size:13px;line-height:1.65}.step-number{display:grid;place-items:center;flex-shrink:0;width:28px;height:28px;border-radius:8px;background:#202f3d;color:#c8d4df;font-weight:600;font-size:12px}.choice-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;padding:0;border:0;margin:0 0 22px;min-width:0}.choice-card{position:relative;display:flex;gap:9px;align-items:center;border:1px solid var(--line);padding:18px 12px 18px 8px;margin:0;border-radius:11px;cursor:pointer;background:#0e1721;transition:border-color .15s,background-color .15s}.choice-card:hover{border-color:#678e83}.choice-card.selected{border-color:#7ce4bf;background:#162b29}.choice-card>input{position:absolute;right:12px;top:11px}.board-illustration{width:65px;height:82px;flex-shrink:0;filter:drop-shadow(0 6px 5px #0005)}.choice-card .board-copy{display:grid;grid-gap:4px;gap:4px;padding-top:8px;min-width:0;color:var(--text)}.board-copy strong{font-size:17px;font-weight:650;letter-spacing:-.3px}.choice-card small,.mode-option small{color:var(--muted);font-size:12px;line-height:1.5}.board-selection{color:var(--muted);font-size:10px;margin-top:7px}.selected .board-selection{color:var(--brand)}.choice-card input,.erase-confirm input,.mode-option input{width:16px;height:16px;flex-shrink:0;margin:3px 0 0;accent-color:var(--brand);padding:0}fieldset:disabled label{cursor:not-allowed;opacity:.6}.install-options{border:0;padding:0;margin:0;min-width:0}.install-options legend{font-size:13px;font-weight:600;margin-bottom:10px}.mode-option{display:flex;align-items:flex-start;gap:11px;margin:0;padding:12px;cursor:pointer;border:1px solid transparent;border-radius:9px}.mode-option.selected{border-color:#395348;background:#7ce4bf06}.mode-option+.mode-option{margin-top:3px}.mode-option span{display:grid;grid-gap:3px;gap:3px}.mode-option strong{font-size:13px;font-weight:550;color:var(--text)}.erase-confirm{display:flex;gap:10px;padding:14px;margin-top:12px;border-radius:9px;background:#332818;border:1px solid #9e6a26;color:#ffdfa4;font-size:13px}.release-summary{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);padding-top:16px;margin-top:16px;font-size:12px;color:var(--muted);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.release-summary strong{color:var(--text);font-weight:600}.release-summary small{font-size:11px}.inline-details{margin-top:5px;font-size:12px;color:var(--muted)}.inline-details summary{padding:8px 0;min-height:36px}.inline-details select{width:100%;min-width:0;margin-top:8px}.connection-status{display:flex;align-items:center;gap:10px;margin:16px 0 0;padding:12px 14px;border:1px dashed #344454;background:#0d1620;border-radius:8px;font-size:12px;color:#b7c4d1;overflow-wrap:anywhere}.connection-dot{width:7px;height:7px;border-radius:50%;background:var(--muted);flex-shrink:0}.connection-dot.connected{background:var(--brand);box-shadow:0 0 0 3px #7ce4bf15}.flash-card{border-color:#3d534e}.flash-primary{width:100%;min-height:50px;font-size:14px;white-space:normal}.flash-card>.hint{text-align:center;font-size:12px}.step-card>.hint{font-size:12px;line-height:1.7}.notice{background:#152c3d;border:1px solid #335677;border-radius:10px;padding:16px;overflow-wrap:anywhere;font-size:13px}.notice p{margin:8px 0 0}.notice.warning{background:#302719;border-color:#94692f;color:#ffdfa4}.notice.success{background:#12372a;border-color:#397b54;color:#b8f2cc}.pipeline-grid{padding:0;list-style:none;grid-template-columns:repeat(3,1fr)}progress{width:100%;height:9px;margin:12px 0;accent-color:var(--brand)}.backup-actions{display:grid;grid-gap:6px;gap:6px;margin-top:18px}.backup-actions small{color:var(--muted)}.text-button{border:0;background:none;color:#b1d9cb;padding:6px 0;text-decoration:underline;text-underline-offset:4px;text-align:left;cursor:pointer;min-height:44px}.installer-sidebar{display:grid;grid-gap:18px;gap:18px;position:-webkit-sticky;position:sticky;top:20px;min-width:0}.install-summary,.installer-help{padding:22px;border-radius:14px}.install-summary{background:#141f29}.install-summary h2{font-size:17px;font-weight:600;margin:10px 0 20px;letter-spacing:-.3px}.install-summary dl{margin:0;display:grid;grid-gap:12px;gap:12px;font-size:12px}.install-summary dl>div{display:flex;justify-content:space-between;gap:14px}.install-summary dt{color:var(--muted)}.install-summary dd{margin:0;text-align:right;font-weight:500}.summary-note{display:flex;gap:9px;margin-top:20px;border-top:1px solid var(--line);padding-top:16px;font-size:12px;color:#b5d4c7;line-height:1.6}.summary-note>span{color:var(--brand)}.erase-note>span,.summary-note.erase-note{color:#ffcf88}.installer-help{background:#101923}.installer-help h2{font-size:15px;font-weight:600;margin:0 0 16px}.checklist{padding:0;margin:0;list-style:none;color:var(--muted);font-size:12px}.checklist li{display:flex;gap:9px;margin:12px 0}.checklist li:before{content:"✓";color:var(--brand)}.installer-help .faq-title{margin:26px 0 10px;font-size:13px;font-weight:600}.installer-help details{border-top:1px solid var(--line);font-size:12px}summary{cursor:pointer}.installer-help summary{display:flex;justify-content:space-between;align-items:center;gap:12px;list-style:none;padding:14px 0;min-height:44px}.installer-help summary::-webkit-details-marker{display:none}.installer-help summary:after{content:"+";color:var(--muted);font-size:18px;font-weight:400}.installer-help details[open] summary:after{content:"−"}.installer-help details p{color:var(--muted);margin:0 0 16px;line-height:1.7}.community-link{display:flex;justify-content:space-between;margin-top:16px;padding:12px;font-size:12px;border-radius:8px;background:#1b2936;text-decoration:none}.advanced-settings{padding:0;border-radius:12px;background:#101923}.advanced-settings>summary{padding:20px 24px;font-weight:550;font-size:14px}.advanced-settings>summary span{display:block;color:var(--muted);font-size:12px;font-weight:400;margin:4px 0 0 18px}.advanced-content{display:grid;grid-gap:20px;gap:20px;padding:0 20px 20px;min-width:0}.completion form{display:grid;grid-gap:16px;gap:16px;margin:20px 0}.installer-footer{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:0 0 26px;font-size:12px;color:var(--muted)}.assets,dd{overflow-wrap:anywhere}.modal-card{overscroll-behavior:contain}@media (max-width:1000px){.installer-intro{grid-template-columns:1fr 290px;gap:24px}.installer-layout{grid-template-columns:minmax(0,1fr) 270px;gap:18px}.choice-card{flex-direction:column;align-items:flex-start;padding:12px}.board-illustration{height:65px;width:52px}.board-copy strong{font-size:16px}.journey a{padding:14px}.journey small{font-size:10px}}@media (max-width:780px){.simple-shell{padding:0 22px;gap:20px}.installer-intro{grid-template-columns:1fr;gap:22px;padding-top:12px}.intro-note{padding:16px;max-width:540px}.intro-note p{margin:4px 0 8px}.installer-layout{grid-template-columns:minmax(0,1fr)}.installer-sidebar{position:static;grid-template-columns:1fr 1fr;align-items:start}.choice-card{flex-direction:row;align-items:center;padding:18px 12px}.journey small{display:none}}@media (max-width:520px){.simple-shell{padding:0 16px;gap:18px}.topbar{padding:18px 0;gap:8px}.brand{gap:8px}.brand-logo{width:36px;height:36px}.brand-name{font-size:20px}.title-row{gap:4px}.version-badge{display:none}.help-link{padding:8px 10px;font-size:11px;max-width:110px}.topbar p{font-size:10px}.installer-intro h1{font-size:36px}.intro-copy{font-size:14px}.intro-note{gap:10px}.intro-note strong{font-size:13px}.intro-note p{font-size:12px}.journey a{flex-direction:column;text-align:center;gap:7px;padding:12px 5px;font-size:11px}.journey b{width:26px;height:26px}.install-summary,.installer-help,.step-card{padding:18px}.step-heading{gap:10px;margin-bottom:18px}.step-heading h2{font-size:18px}.step-heading p{font-size:12px}.choice-grid{gap:9px}.choice-card{flex-direction:column;align-items:flex-start;padding:12px}.board-illustration{width:53px;height:66px}.choice-card small{font-size:11px}.board-copy strong{font-size:16px}.mode-option{padding:10px}.mode-option strong{font-size:12px}.mode-option small{font-size:11px}.installer-sidebar{grid-template-columns:1fr}.pipeline-grid{grid-template-columns:repeat(2,1fr)}.advanced-settings>summary{padding:18px;font-size:13px}.advanced-content{padding:0 12px 12px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.mqtt-topics{margin-top:16px;padding:16px;border:1px solid var(--line);border-radius:12px;font-size:13px;line-height:1.6}.mqtt-topics p{margin:8px 0 0}.mqtt-topics code{overflow-wrap:anywhere}.reserve-settings{margin-top:16px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}.reserve-settings summary{padding:8px 0;min-height:44px}.reserve-settings summary span{color:var(--muted);font-size:11px;margin-left:8px}.release-notes{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;line-height:1.7}.release-notes h3{margin:0 0 10px;font-size:15px}.release-notes ul{margin:10px 0 16px;padding-left:20px;color:var(--muted)}.release-notes li+li{margin-top:6px}.release-body{white-space:pre-wrap;overflow-wrap:anywhere}.release-history>summary{min-height:44px;padding:10px 0;font-weight:550}.release-entry{border-top:1px solid var(--line)}.release-entry>summary{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;min-height:44px;padding:10px 0}.release-entry time{color:var(--muted);font-size:12px}.reserve-settings label{margin-top:12px}.reserve-settings input{width:100%;min-width:0}.fallback-field{min-width:0}.fallback-field input{width:100%;min-width:0}.fallback-field>.btn{margin-top:10px;min-height:44px}.fallback-check{font-size:13px;line-height:1.5;overflow-wrap:anywhere}.fallback-check:empty{display:none}.fallback-check.success{color:var(--accent,#79e3c0)}.fallback-check.error{color:#ffb4ab}.new-device-preset{margin-top:16px;padding:16px;border:1px solid var(--line);border-radius:12px;font-size:13px;line-height:1.6}.preset-toggle{display:flex;align-items:flex-start;gap:10px;cursor:pointer}.preset-toggle input{flex:0 0 auto;width:18px;height:18px;margin:4px 0 0}.preset-toggle small,.preset-toggle strong{display:block}.preset-toggle small{color:var(--muted)}.preset-colors{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));grid-gap:8px 16px;gap:8px 16px;margin:16px 0;padding:0;list-style:none}.preset-colors li{display:flex;align-items:center;gap:8px}.preset-swatch{flex:0 0 12px;width:12px;height:12px;border-radius:50%}.new-device-preset code{overflow-wrap:anywhere}html{color-scheme:dark}.topbar-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:12px}.language-switcher{display:inline-flex;flex-shrink:0;gap:2px;padding:3px;border:1px solid var(--line);border-radius:10px}.language-switcher button{min-width:44px;min-height:44px;padding:6px 10px;border:0;border-radius:7px;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:650;cursor:pointer}.language-switcher button[aria-pressed=true]{color:#0c251c;background:var(--brand)}.language-switcher button:hover{box-shadow:inset 0 0 0 1px currentColor}a,button,input,select,summary{touch-action:manipulation}.brand,.brand>div,.card,.label-copy,.mode-option>span,.qr-label-card,.step-heading>div,.topbar-actions{min-width:0}.btn,.card,.help-link,.installer-footer,.notice,.status-pill{overflow-wrap:anywhere}.preset-colors{grid-template-columns:repeat(auto-fit,minmax(min(190px,100%),1fr))}.modal-card{max-height:calc(100dvh - 32px)}.installer-footer a,.text-button{min-height:44px;display:inline-flex;align-items:center}@media (max-width:640px){.topbar{grid-template-columns:minmax(0,1fr);gap:14px}.topbar-actions{justify-content:space-between}.topbar .help-link{max-width:none;min-height:44px;display:flex;align-items:center;font-size:13px}.topbar p{font-size:12px}.simple-shell{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}input:not([type=radio]):not([type=checkbox]),select,textarea{font-size:16px;min-height:44px}.choice-card small,.mode-option small,.mode-option strong,.step-heading p{font-size:13px}.kv-grid,.qr-label-card,.qr-label-grid,.qr-label-grid.compact{grid-template-columns:minmax(0,1fr)}.qr-visual{justify-self:center}.asset-block li{grid-template-columns:minmax(0,1fr) auto;gap:8px}.asset-block li a{grid-column:1/-1;min-height:44px;display:flex;align-items:center}.asset-block li>span:first-child{overflow-wrap:anywhere}.modal-overlay{padding:12px}.modal-card{width:100%;max-height:calc(100dvh - 24px)}.installer-footer{padding-bottom:max(24px,env(safe-area-inset-bottom))}}.time-zone-field{display:grid;grid-gap:10px;gap:10px;min-width:0;margin-bottom:16px}.time-zone-field label{margin:0}.time-zone-field input,.time-zone-field select{width:100%;min-width:0;min-height:44px;text-overflow:ellipsis}.time-zone-field .btn{justify-self:start}.install-time-zone{margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}